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S8P3.c

Demonstrate the effect of simple machines on work.

TermDefinition
work The transfer of energy to an object by using a force that causes the object to move in the direction of the force.
machine A device that helps do work either by overcoming a force or changing the direction of the applied force.
inclined plane A simple machine that is a straight, slanted surface, which facilitates the raising of loads; a ramp.
wedge A simple machine that is made up of two inclined planes and that moves; often used for cutting.
screw A simple machine that consists of an inclined plane wrapped around a cylinder.
lever A simple machine that consists of a bar that pivots at a fixed point called a fulcrum.
pulley A simple machine that consists of a wheel over which a rope, chair or wire passes.
wheel and axle A simple machine consisting of two circular objects of different sizes; the wheel is the large of the two circular objects.
Created by: 20FaiDra
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